Cranial Nerves

Question 1

I - 1

Answer 1

Olfactory nerve:

Smell

Question 2

II - 2

Answer 2

Optic nerve:

Vision

Question 3

III - 3

Answer 3

Oculomotor nerve:

Eye movement/constriction

Question 4

IV - 4

Answer 4

Trochlear nerve:

Eye movement

Question 5

V - 5

Answer 5

Trigeminal nerve:
Somatosensory (touch/pain) from the face and head
Muscles for chewing

Question 6

VI - 6

Answer 6

Abducens nerve:

Eye movement

Question 7

VII - 7

Answer 7

Facial nerve:
Taste (anterior 2/3 tongue)
Somatosensory information from ear
Controls muscles used in facial expressions

Question 8

VIII - 8

Answer 8

Vestibulocochlear nerve:
Hearing
Balance

Question 9

IX - 9

Answer 9

Glossopharyngeal nerve:
Taste (posterior 1/3 of tongue)
Somatosensory information from tongue, tonsils, pharynx
Controls some muscles used in swallowing

Question 10

X - 10

Answer 10

Vagus nerve:

Sensory, motor and autonomic functions of viscera (glands, digestion and heart rate)

Question 11

XI - 11

Answer 11

Accessory (spinal) nerve:

Controls muscles used in head movement

Question 12

XII - 12

Answer 12

Hypoglossal nerve:

Controls muscles of tongue